Diving Bell Insulation
Insulation and buoyancy of the diving bell is made by tiling the hull with HPC blocks.
The mechanical resistance and the sealing of the HPC blocks are obtained by coating one fibreglass skin overall the blocks.
The HPC blocks are rigid micro-cellular closed cells plastic foam. The chemical composition is based on ultra-high molecular weight polyvinylchloride (PVC), reinforced with cross-linked aromatic polyamide which results in a very high compressive strength resistance to retain its buoyancy.
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